Causes and Types of Conduct Disorders

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Adolescent-onset CD The onset of symptoms coincides with the onset of adolescence. This group tends to be less aggressive, and are less likely to continue to show the behaviour into adulthood (Frick, 2012; Frick & Vidin, 2009; Moffitt, 2006). The adolescent-onset group is also less likely to show neuropsychological deficits (such as executive functioning deficits), personality risk factors (such as impulsivity and emotional regulation), and cognitive deficits (such as low intelligence) (Frick, 2012; Moffitt, 2006). However, compared to other types of CD, this group tends to be more rejecting of conventional values and status hierarchies and show greater rebelliousness (Dandreaux & Frick, 2009). It has been proposed by many that the adolescent-onset type of CD, can be viewed as an exaggeration of normal adolescent development (Moffitt, 2006), as some level of rebellious behaviour is normative in the adolescent years. However those with adolescent-onset CD are likely to exhibit more severe and impairing rebellion than typically normal, due to a range of factors. These factors include; poor parental supervision, deviant peer groups, lack of regard for institutions and certain personality traits (such as those characterised by a rejection of traditional status) (Dandreaux & Frick, 2009). CD with CU traits One type of CD – termed ‘CD-CU’ is characterised by early childhood onset and the presence of callous-unemotional (CU) traits, such as; a lack of guilt, lack of concern about others’ feelings, no concern over one’s own performance and a lack of meaningful emotional expression (Frick, 2012; Patrick, 2006). These traits have been likened to those of adulthood psychopathy (Hare & Neumann, 2006). Children with this type of... ... middle of paper ... ...d by the lack of a ‘conscience’, as these children are aware that their actions are undesirable, and often show remorse. Research has shown, that these children are likely to have had a poor upbringing, with hostile and inconsistent parenting practices. Based on the characteristics of CD-EBD group, it seems that their behaviour is linked to deficits in cognitive and/or emotional regulation of behaviour combined with negative family experiences (Frick & Viding, 2009). It is probable that deficits in verbal abilities combined with inadequate socializing experiences result in difficulties with the executive control of behaviour (such as being unable to anticipate negative consequences of behaviour). Furthermore, the emotional characteristics of the disorder coupled with the negative parenting could offer an explanation of the problems regulating emotional responses.

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